What happened 17 April

Napoleon arrived at Donauwörth on 17 April to find the Grande Armée in a dangerous position, with its two wings separated by 120 km (75 mi) and joined together by a thin cordon of Bavarian troops. Charles pressed the left wing of the French army and hurled his men towards the III Corps of Marshal Davout. In response, Napoleon came up with a plan to cut off the Austrians in the celebrated Landshut Maneuver.

In the wars against the Taiping (1851–64), Nian (1851–68), Yunnan (1856–68) and the Northwest (1862–77), the traditional imperial troops proved themselves incompetent and the court came to rely on local armies. In 1895, China suffered another defeat during the First Sino-Japanese War. This demonstrated that traditional Chinese feudal society also needed to be modernized if the technological and commercial advancements were to succeed.

Titanic was planned to arrive at New York on the morning of 17 April.

Dow reaches a secondary closing peak (i.e., bear market rally) of 294.07, followed by a long stagnation until a severe decline began in April 1931. This peak matches early-1929 levels, but is 30% below the September 1929 peak.

On April 17, after all of Luciano's legal options had been exhausted, Arkansas authorities handed him to three NYPD detectives for transport by train back to New York for trial. When the train reached St. Louis, Missouri, the detectives and Luciano changed trains. During this switchover, they were guarded by 20 local policemen to prevent a mob rescue attempt.

On 17 April 1941, after King Peter II and other members of the government fled the country, the remaining representatives of the government and military met with the German officials in Belgrade.

The German forces had lost from Soviets in Dnieper–Carpathian Offensive, which fought from 24 December 1943 to 17 April 1944.

The CIA and the Democratic Revolutionary Front had based a 1,400-strong army, Brigade 2506, in Nicaragua. On the night of 16 to 17 April, Brigade 2506 landed along Cuba's Bay of Pigs and engaged in a firefight with a local revolutionary militia .

The Bay of Pigs Invasion began on April 17, 1961.

On 17 April 1961, Osvaldo Ramírez (leader of the rural resistance to Castro) was captured by Castro's forces in Aromas de Velázquez, and immediately executed.

During the night of 16/17 April, a mock diversionary landing was organized by CIA operatives near Bahía Honda, Pinar del Río Province. A flotilla containing equipment that broadcast sounds and other effects of a shipborne invasion landing provided the source of Cuban reports that briefly lured Fidel Castro away from the Bay of Pigs battlefront area.

On April 17, 1961, 1,400 U.S.-trained Cuban exiles invaded Cuba during the Bay of Pigs Invasion. Guevara did not play a key role in the fighting, as one day before the invasion a warship carrying Marines faked an invasion off the West Coast of Pinar del Río and drew forces commanded by Guevara to that region.

At daybreak around 06:30 am, three FAR Sea Furies, one B-26 bomber and two Lockheed T-33 fighter jets started attacking those CEF ships still unloading troops.

As the men from Red Beach arrived at Girón, San Román and Oliva met to discuss the situation. With ammunition running low, Oliva suggested that the Brigade 2506 retreat into the Escambray mountains to wage guerilla warfare, but San Román decided to hold the beachhead.

During the night of 17–18 April, the force at Red Beach came under repeated counter-attacks from the Cuban Army and militia. As casualties mounted and ammunition was used up, the brigadistas steadily gave way. Airdrops from four C-54s and 2 C-46s had only limited success in landing more ammunition.

The Ford Mustang was introduced in April 17, 1964 during New York World's Fair.

On 17 April 1988, Iraq launched Operation Ramadan Mubarak (Blessed Ramadan), a surprise attack against the 15,000 Basij troops on the peninsula, and within 48 hours, all of the Iranian forces had been killed or cleared from the al-Faw Peninsula.

On 17 April, students at the China University of Political Science and Law (CUPL) made a large wreath to commemorate Hu Yaobang. Its laying-party was on 17 April and a larger-than-expected crowd assembled. At 5 pm, 500 CUPL students reached the eastern gate of the Great Hall of the People, near Tiananmen Square, to mourn Hu. The gathering featured speakers from various backgrounds giving public orations commemorating Hu and discussing social problems. However, it was soon deemed obstructive to the operation of the Great Hall, so police tried to persuade the students to disperse.

Starting on the night of 17 April, three thousand PKU students marched from the campus towards Tiananmen Square, and soon nearly a thousand students from Tsinghua joined. Upon arrival, they soon joined forces with those already gathered at the Square. As its size grew, the gathering gradually evolved into a protest, as students began to draft a list of pleas and suggestions (Seven Demands) for the government.

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Details of Thatcher's funeral had been agreed with her in advance. She received a ceremonial funeral, including full military honours, with a church service at St Paul's Cathedral on 17 April. Queen Elizabeth II and the Duke of Edinburgh attended her funeral, marking only the second time in the Queen's reign that she attended the funeral of any of her former prime ministers.

On 17 April 2018, Brazilian senators who were members of the legislature's Human Rights Commission, the Argentinian Nobel Prize laureate, Adolfo Perez Esquivel and the former president of Uruguay, José Pepe Mujica were not allowed to visit Lula in prison to acquire information of violation of Lula’s human rights.

On the 88th situational report of the WHO in April 17, 2020, the number of cases passed the 2 million mark with 2,074,529 cases and a death toll of 139,378.